Tire tread



FIG. 1 is a perspective view of a tire tread showing my new design it being understood that the tread pattern is repeated throughout the circumference of the tire tread and the opposite side is the same as that shown;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a side elevational view thereof.

The broken line showing of the tire sidewalls in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 